0. Indian School of Mines is situated at
The Indian School of Mines (now part of IIT Dhanbad) is located in Dhanbad, Jharkhand. It specializes in mining, earth sciences, and engineering.
Option A: Patna (Bihar)
Incorrect; Patna has other universities like Patna University.
Option B: Dhanbad (Jharkhand)
Correct; home of Indian School of Mines.
Option C: Kolkata (W. Bengal)
Incorrect; hosts other prestigious institutions but not ISM.
Option D: Guwahati (Assam)
Incorrect; IIT Guwahati is a different institution.